In its review and approval of Celltrion Inc.'s biosimilar product Inflectra (infliximab-dyyb), FDA showed a willingness to be flexible on pediatric study issues likely to arise again as more products move through the nascent 351(k) regulatory pathway.
FDA resisted taking a hard line on Celltrion's belated submission of an initial Pediatric Study Plan (iPSP), the timing of...





